Main features

·Computer main board & module for industrial & civil pump

·Auto/manual switch

·LCD displays pump running information

·Under voltage protection

·Over voltage protection

·Push button calibration

·Dry running protection without installing float switch or liquid probe in the well

A2

Main specifications

·Rated input voltage: AC220V-240V, single phase

·Rated frequency: 50Hz/60Hz

·Rated output power of pump motor: 0.37-2.2kW(0.5HP-3HP)

Technical data

·Action time of short circuit＜0.1sec

·Action time of over current: 5 sec

·Recovery time of over current: 30 min

·Action time of dry-running protection: 6 sec

·Recovery time of dry-running: 30 min

·Double liquid level transfer distance:＞ 1000m

A6/C3-W1/A8

Main specifications

·Rated input voltage: AC380V, three phase

·Rated frequency: 50Hz/60Hz

·Rated output power of pump motor:

A6：0.75-7.5kW(1HP-10HP)

C3-W1: 0.75-15kW(1HP-20HP)

A8：18.5-30kW(25HP-40HP)

Technical data

·Action time of short circuit＜0.1sec

·Action time of open phase: ＜2 sec

·Action time of over current: 5 sec

·Recovery time of over current: 30 min

·Action time of dry-running protection: 6 sec

·Recovery time of dry-running: 30 min

C3-W2

Main specifications

·Rated input voltage: AC380V, three phase

·Rated frequency: 50Hz/60Hz

·Rated output power of pump motor:

0.75-15kW(1HP-20HP)

Technical data

·Trip response time of over current: 5sec – 5min

·Trip response time of open phase: ＜2 sec

·Trip response time of short circuit: ＜0.1sec

·Trip response time of under volt: ＜5 sec

·Trip response time of dry-running: 6sec

·Set voltage of Under.V: 323V

·Recovery time of over current: 30 min

·Recovery time of dry-running: 30 min

·Liquid-level transfer distance: ≤1000m